* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

:root {
  --bg: #0a0a0a;
  --surface: #1a1a1a;
  --border: #2a2a2a;
  --text: #e0e0e0;
  --text-dim: #808080;
  --accent: #00ff88;
  --green: #00ff88;
  --yellow: #ffcc00;
  --orange: #ff8800;
  --red: #ff3366;
  --blue: #00aaff;
  --gray: #666666;
}

body {
  background: var(--bg);
  color: var(--text);
  font-family: 'JetBrains Mono', monospace;
  line-height: 1.6;
  min-height: 100vh;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
}

.header {
  margin-bottom: 60px;
  border-bottom: 2px solid var(--accent);
  padding-bottom: 20px;
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
}

.header h1 {
  font-size: 48px;
  font-weight: 800;
  letter-spacing: -2px;
  color: var(--accent);
  margin-bottom: 8px;
  text-transform: uppercase;
}

.subtitle {
  color: var(--text-dim);
  font-size: 14px;
  letter-spacing: 1px;
}

.user-info {
  text-align: right;
  font-size: 12px;
  color: var(--text-dim);
}

.user-info .email {
  color: var(--accent);
  margin-bottom: 8px;
}

.login-container {
  width: 100%;
  max-width: 400px;
  padding: 20px;
  margin: 100px auto;
}

.login-box {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 40px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-bottom: 8px;
  color: var(--text-dim);
}

input, select {
  width: 100%;
  background: var(--bg);
  border: 2px solid var(--border);
  color: var(--text);
  padding: 12px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  transition: all 0.2s;
}

input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0, 255, 136, 0.1);
}

.btn {
  background: var(--accent);
  color: var(--bg);
  border: none;
  padding: 14px 32px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 14px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 1px;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn:hover {
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 255, 136, 0.3);
}

.btn:disabled,
.btn-disabled {
  opacity: 0.5;
  cursor: not-allowed;
  transform: none;
  pointer-events: none;
}

.btn-secondary {
  background: var(--border);
  color: var(--text);
}

.btn-danger {
  background: var(--red);
  color: white;
}

.btn-warning {
  background: var(--orange);
  color: white;
}

.btn-small {
  padding: 8px 16px;
  font-size: 12px;
}

.logout-btn {
  background: var(--border);
  color: var(--text);
  border: none;
  padding: 8px 16px;
  font-family: 'JetBrains Mono', monospace;
  font-size: 11px;
  cursor: pointer;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin-top: 8px;
}

.logout-btn:hover {
  background: var(--red);
}

.control-panel {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 30px;
  margin-bottom: 40px;
  position: relative;
  overflow: hidden;
}

.control-panel::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--accent), transparent);
  animation: scanline 3s linear infinite;
}

@keyframes scanline {
  0% { transform: translateX(-100%); }
  100% { transform: translateX(200%); }
}

.control-panel h2 {
  font-size: 16px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  margin-bottom: 24px;
  color: var(--accent);
}

.instance-card {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 24px;
  margin-bottom: 20px;
  transition: border-color 0.3s;
}

.instance-card:hover {
  border-color: var(--accent);
}

.instance-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 20px;
}

.instance-title {
  display: flex;
  align-items: center;
  gap: 12px;
}

.instance-title h3 {
  font-size: 18px;
  font-weight: 700;
}

.status-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 12px;
  background: var(--bg);
  border: 2px solid;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  font-weight: 700;
}

.instance-details {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 20px;
}

.detail-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}

.detail-value {
  font-size: 14px;
  color: var(--accent);
  font-weight: 700;
}

.instance-actions {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
}

.instance-schedule {
  margin-top: 16px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.schedule-buttons {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-top: 8px;
}

.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  color: var(--text-dim);
}

.btn-outline:hover {
  border-color: var(--accent);
  color: var(--text);
}

.btn-active {
  background: var(--accent);
  color: var(--bg);
  border-color: var(--accent);
}

.notification {
  position: fixed;
  top: 20px;
  right: 20px;
  background: var(--surface);
  border: 2px solid;
  padding: 16px 20px;
  min-width: 300px;
  display: none;
  align-items: center;
  gap: 12px;
  z-index: 1000;
  animation: slideIn 0.3s ease;
}

.notification.show {
  display: flex;
}

@keyframes slideIn {
  from { transform: translateX(400px); opacity: 0; }
  to { transform: translateX(0); opacity: 1; }
}

.notification.success { border-color: var(--green); }
.notification.error { border-color: var(--red); }
.notification.info { border-color: var(--blue); }

.empty-state {
  text-align: center;
  padding: 60px 20px;
  color: var(--text-dim);
}

.hidden { display: none; }
.spinner { animation: spin 1s linear infinite; }

@keyframes spin {
  from { transform: rotate(0deg); }
  to { transform: rotate(360deg); }
}

/* Modal styles */
.modal {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.8);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 2000;
}

.modal.hidden {
  display: none;
}

.modal-content {
  background: var(--surface);
  border: 2px solid var(--accent);
  padding: 30px;
  width: 100%;
  max-width: 400px;
  margin: 20px;
}

.modal-content h3 {
  font-size: 18px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--accent);
  margin-bottom: 8px;
}

.modal-subtitle {
  color: var(--text-dim);
  font-size: 13px;
  margin-bottom: 20px;
}

.config-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.config-item {
  background: var(--bg);
  border: 2px solid var(--border);
  padding: 14px 16px;
  cursor: pointer;
  transition: all 0.2s;
  display: flex;
  align-items: center;
  gap: 12px;
}

.config-item:hover {
  border-color: var(--accent);
  background: var(--surface);
}

.config-item .config-icon {
  font-size: 20px;
}

.config-item .config-name {
  font-weight: 700;
  font-size: 14px;
}

.config-item .config-desc {
  font-size: 11px;
  color: var(--text-dim);
}

/* ==================== Cost Dashboard ==================== */

.cost-card {
  background: var(--surface);
  border: 2px solid var(--border);
  padding: 20px;
  text-align: center;
}

.cost-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 2px;
  color: var(--text-dim);
  margin-bottom: 8px;
}

.cost-value {
  font-size: 28px;
  font-weight: 700;
  color: var(--accent);
}

.cost-value.loading {
  color: var(--text-dim);
  font-size: 14px;
}

/* Service breakdown */
.service-row {
  display: flex;
  align-items: center;
  padding: 12px 0;
  border-bottom: 1px solid var(--border);
}

.service-row:last-child {
  border-bottom: none;
}

.service-name {
  flex: 1;
  font-size: 13px;
}

.service-bar-container {
  flex: 2;
  height: 8px;
  background: var(--border);
  margin: 0 16px;
  position: relative;
}

.service-bar {
  height: 100%;
  background: var(--accent);
  transition: width 0.3s ease;
}

.service-cost {
  font-size: 13px;
  font-weight: 700;
  color: var(--accent);
  min-width: 80px;
  text-align: right;
}

/* Daily costs chart */
.chart-bar {
  flex: 1;
  background: var(--accent);
  min-width: 4px;
  transition: height 0.3s ease;
  position: relative;
}

.chart-bar:hover {
  background: var(--green);
}

.chart-bar:hover::after {
  content: attr(data-tooltip);
  position: absolute;
  bottom: 100%;
  left: 50%;
  transform: translateX(-50%);
  background: var(--surface);
  border: 1px solid var(--border);
  padding: 4px 8px;
  font-size: 10px;
  white-space: nowrap;
  z-index: 10;
}

/* No data state */
.no-data {
  text-align: center;
  padding: 40px;
  color: var(--text-dim);
}

.no-data-icon {
  font-size: 48px;
  margin-bottom: 16px;
}